Conflict |
Combatant 1 |
Combatant 2 |
Result for the United States and/or its Allies |
First Barbary War (1801–1805) Part of the Barbary Wars
Location: Mediterranean Sea off the coast of Tripoli.
|
United States Sweden |
Eyalet of Tripolitania
Sultanate of Morocco |
Victory
|
Tecumseh's War (1811)
Location: Northwest River Ohio |
United States |
Tecumseh's Confederacy
|
Victory
|
War of 1812 (1812–1815)
Location: Eastern and Central North America
|
United States Choctaw Cherokee Nation Creek Allies |
United Kingdom
- British North America
Tecumseh's Confederacy
Spain (1814)
|
Stalemate
|
Creek War (1813–1814)
Location: Southern United States
William Weatherford surrendering to Andrew Jackson after the Battle of Horseshoe Bend. |
United States Lower Creeks Cherokee Nation Choctaw |
Red Stick Creek |
Victory
|
Second Barbary War (1815) Part of the Barbary Wars
Location: Mediterranean Sea and the Barbary states.
Decatur's Squadron off Algiers. |
United States |
Regency of Algiers |
Victory
|
First Seminole War (1817–1818)
Location: Pensacola, Florida
|
United States |
Seminole
Spanish Florida |
Victory |
Texas-Indian wars (1820–1875)
Location: Texas
A Kiowa ledger drawing depicting a battle between Southern Plains Indians and the U.S. Army during the Red River War. |
Spain
Mexico
Republic of Texas United States |
Comanche |
Victory |
Arikara War (1823)
Location: Missouri River |
United States |
Arikara |
Victory
|
Aegean Sea Anti-Piracy Operations (1825–1828)
Location: Off Greece, Aegean Sea
Greek pirate boats attacking the HMS Comet. |
United States |
Greek Pirates |
Victory
- Defeat of Greek pirates
- HMS Comet liberated by American forces
- Message of thanks issued to Louis Goldsborough from the British government
|
Winnebago War (1827)
Location: Illinois and Michigan Territory |
United States |
Prairie La Crosse Ho-Chunks with a few allies |
Victory
- Ho-Chunks cede lead mining region to the United States
|
First Sumatran expedition (1832)
Location: Aceh Sultanate
U.S. Infantry assaulting the Acehnese forts at Kuala Batu in 1832. |
United States Netherlands |
Chiefdom of Kuala Batee |
Victory |
Black Hawk War (1832)
Location: Illinois and Michigan Territory
Native women and children fleeing the Battle of Bad Axe. |
United States Ho-Chunk Menominee Dakota Potawatomi |
Black Hawks British Band Ho-Chunk and Potawatomi allies |
Victory
|
Second Seminole War (1835–1842)
Location: Florida, United States
This view of a Seminole village shows the log cabins they lived in prior to the disruptions of the Second Seminole War. |
United States |
Seminole |
Victory
|
Second Sumatran expedition (1838)
Location: Aceh Sultanate |
United States Netherlands |
Chiefdom of Kuala Batee |
Victory |
Mexican–American War (1846–1848)
Location: Texas, New Mexico, California, and Mexico
Second Battle of Tabasco. |
United States California Republic |
Mexico |
Victory
|
Cayuse War (1847–1855)
Location: Oregon |
United States |
Cayuse |
Victory
|
Apache Wars (1851–1900)
Location: Southwestern United States |
United States |
Apache Ute Yavapai |
Victory
|
Puget Sound War (1855–1856)
Location: Washington |
United States Snoqualmie |
Nisqually Muckleshoot Puyallup Klickitat Haida Tlingit |
Victory
|
First Fiji Expedition (1855)
Location: Fiji |
United States |
Fiji |
Victory |
Rogue River Wars (1855–1856)
Location: Rogue Valley |
United States |
Rogue River people |
Victory
- Indians relocated to Siletz, Grand Ronde, and Coast Reservations
|
Third Seminole War (1855–1858)
Location: Pensacola, Florida
A U.S. Marine boat expedition searching the Everglades during the Second Seminole War. |
United States |
Seminole |
Victory
|
Yakima War (1855–1858)
Location: Washington Territory
Seattleites evacuate to the town blockhouse as USS Decatur opens fire on advancing tribal forces. |
United States Snoqualmie |
Yakama Walla Walla tribe Umatilla tribe Nez Perce tribe Cayuse tribe |
Victory
|
Filibuster War (1855–1857)
Location: Nicaragua
Costa Rican and American troops attacking William Walker at Rivas in 1856. |
Nicaragua Costa Rica Honduras Mosquito Coast Guatemala El Salvador United States United Kingdom (naval support) |
Filibusters |
Victory
- Filibuster defeat.
- Surrender of William Walker
to American forces.
|
Second Opium War (1856–1859)
Location: China
Palikao's bridge, on the evening of the battle, by Émile Bayard |
British Empire French Empire United States |
Qing dynasty |
Victory
|
Utah War (1857–1858)
Location: Utah Territory and Wyoming |
United States |
Deseret / Utah Mormons (Nauvoo Legion) |
Resolution
- Resolution through negotiation
- Brigham Young replaced as governor of the territory
- Full amnesty for charges of sedition and treason issued to the citizens of Utah Territory by President James Buchanan on the condition that they accept American Federal authority
|
Navajo Wars (1858–1866)
Location: New Mexico
Fort Defiance |
United States |
Navajo |
Victory
|
Second Fiji Expedition (1859)
Location: Fiji |
United States |
Fiji |
Victory |
First and Second Cortina War (1859–1861)
Location: Texas and Mexico |
United States
Confederate States |
Mexican Paramilitary Forces |
Victory |
Paiute War (1860)
Location: Pyramid Lake, Nevada |
United States |
Paiute Shoshone Bannock |
Victory
|
Reform War (1860)
Location: Mexico
USS Saragota |
Mexican Liberals United States |
Mexican Conservatives |
Victory |
American Civil War (1861–1865)
Location: United States
The Battle of Antietam, by Kurz & Allison. |
United States |
Confederate States |
Victory
|
Bombardment of Qui Nhơn (1861) Part of the Cochinchina Campaign
Location: Qui Nhơn, Vietnam |
United States |
Nguyễn Dynasty |
Victory
- Vietnamese-held fort silenced
|
Yavapai Wars (1861–1875)
Location: Arizona |
United States |
Yavapai Apache Yuma Mohave |
Victory |
Dakota War of 1862 (1862)
Location: Minnesota and Dakota
The Siege of New Ulm, Minnesota on August 19, 1862 |
United States |
Dakota Sioux |
Victory
|
Colorado War (1863–1865)
Location: Colorado, Wyoming, and Nebraska |
United States |
Cheyenne Arapaho Sioux |
Victory
|
Shimonoseki War (1863–1864)
Location: Kanmon Straits
Capture of a Choshu battery at Shimonoseki by British sailors and marines. |
British Empire Dutch Empire French Empire United States |
Chōshū Domain |
Victory
- Chōshū pays an indemnity of $3,000,000.
|
Snake War (1864–1868)
Locations: Oregon, Nevada, California, and Idaho |
United States |
Paiute Bannock Shoshone |
Victory |
Powder River War (1865)
Location: Powder River State |
United States |
Sioux Cheyenne Arapaho |
Inconclusive |
Red Cloud's War (1866–1868)
Location: Powder River State |
United States |
Lakota Cheyenne Arapaho |
Defeat
|
Siege of Mexico City (1867)
Location: Mexico
Austrian ship SNS Novara (left) at Veracruz to receive the body of Emperor Maximilian and extract remaining Austria-Hungarian troops from Mexico. British ship HMS Niger is on the right. |
Mexican Republicans United States |
Mexican Empire French Empire Austria-Hungary |
Victory
|
Formosa Expedition (1867)
Location: Southern Formosa |
United States |
Paiwan aboriginals |
Indecisive
- Formosan retreat
- American withdrawal
|
Comanche Campaign (1867–1875)
Location: Western United States |
United States |
Cheyenne Arapaho Comanche Kiowa |
Victory
|
United States expedition to Korea (1871)
Location: Ganghwado
American forces after capturing the Deokjin Fort during the Battle of Ganghwa in 1871. |
United States |
Joseon Dynasty |
Victory
|
Modoc War (1872–1873)
Location: California and Oregon
Engraving of soldiers recovering the bodies of the slain May 3, 1873. |
United States |
Modoc |
Victory
|
Red River War (1874–1875)
Location: Texas |
United States |
Cheyenne Arapaho Comanche Kiowa |
Victory
- End to the Texas-Indian Wars
|
Las Cuevas War (1875)
Location: Texas and Mexico
Texan soldiers. |
United States |
Mexican militia |
Victory
|
Great Sioux War of 1876 (1876–1877)
Location: Montana, Dakota and Wyoming
Custer's last stand at Little Bighorn. |
United States |
Lakota Dakota Northern Cheyenne Arapaho |
Victory
- Legal control of Powder River Country ceded to the United States
|
Buffalo Hunters' War (1876–1877)
Location: Texas and Oklahoma |
United States |
Comanche Apache |
Victory |
Nez Perce War (1877)
Location: Oregon, Idaho, Wyoming, and Montana |
United States |
Nez Perce Palouse |
Victory
|
San Elizario Salt War (1877–1878)
Location: Texas |
United States |
Tejano militia |
Victory
|
Bannock War (1878)
Location: Idaho, Oregon, and Wyoming |
United States |
Bannock Shoshone Paiute |
Victory
|
Cheyenne War (1878–1879)
Location: Oklahoma, Kansas, Nebraska, South Dakota and Montana |
United States |
Cheyenne |
Victory
|
Sheepeater Indian War (1879)
Location: Idaho |
United States |
Shoshone |
Victory |
Victorio's War (1879–1881)
Location: Mexico |
United States Mexico |
Apache |
Victory
|
White River War (1879–1880)
Location: Colorado |
United States |
Ute |
Victory
|
Pine Ridge Campaign (1890–1891)
Location: South Dakota
Mass grave for the dead Lakota after the conflict at Wounded Knee Creek. |
United States |
Sioux |
Victory
|
Garza Revolution (1891–1893)
Location: Texas and Mexico |
Mexico United States
|
Garzistas |
Victory |
Revolta da Armada (1893–1894)
Location: Brazil |
First Brazilian Republic United States
|
Brazilian mutineers |
Victory |
Yaqui Wars (1896-1918)
Location: Arizona and Mexico
10th Cavalry soldiers holding Yaqui prisoners at their camp in Bear Valley, January 9, 1918. |
United States Mexico |
Yaqui Pima Opata |
Victory |
Second Samoan Civil War (1898–1899)
Location: Samoa |
Samoa United States |
Mataafans Germany |
Compromise
|
Spanish–American War (1898)
Location: Cuba, Puerto Rico, Philippines and Guam
Battle of Manila Bay painting. |
United States Cuba Philippine Republic Katipunan
|
Spain:
|
Victory
|
Philippine–American War (1899–1902)
Location: Philippines
A group of Filipino combatants are photographed just as they lay down their weapons prior to their surrender. |
United States |
First Philippine Republic Tagalog Republic Pulajanes Sulu Sultanate Moro Republic of Zamboanga Republic of Negros |
Victory
|
Moro Rebellion (1899–1913)
Philippines
Aftermath of the First Battle of Bud Dajo. |
United States
|
Moro Remnants of the Sulu Sultanate |
Victory |
Boxer Rebellion (1899–1901)
Location: China
The fall of Tianjin. |
United Kingdom Russia Japan France United States Germany Italy Austria-Hungary |
Righteous Harmony Society (Boxers) China |
Victory
- The rebellion was suppressed
- Signing of the Boxer Protocol
- Provisions for foreign troops to be stationed in Beijing
|